Alert archive / South Carolina / Flood Watches in 2007

Flood Watch 1, NWS Charleston, SC

June 2, 2007Berkeley County, Colleton County, Dorchester County, South Carolina

NWS Charleston, SC issued this flood watch at Jun 2, 2007, 4:07 AM EDT for Berkeley County, Colleton County, Dorchester County, South Carolina. It took effect at Jun 2, 2007, 2:00 PM EDT. It was in force for 14 hr.

The area

The counties it named.

The facts

Issued: Jun 2, 2007, 4:07 AM EDT (08:07 UTC)
In effect from: Jun 2, 2007, 2:00 PM EDT
Expired: Jun 3, 2007, 3:45 AM EDT
In force: 14 hr
Issued by: NWS Charleston, SC
Flood severity: None

Counties Berkeley County, SC, Colleton County, SC, Dorchester County, SC

The radar

The Charleston,SC radar (KCLX), 79 km from the middle of the area, began a volume at 08:09 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Jacksonville, FL (KJAX), launched 00:00Z, 8.1 hours before the alert went out and 311 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 30 J/kg
Mixed-layer CIN: -29 J/kg
Mixed-layer LCL: 833 m above ground
0-6 km bulk shear: 13 kt
0-1 km storm-relative helicity: 1 m²/s²
0-3 km storm-relative helicity: -10 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.0

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this flood watch went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Charleston, SC wrote its last area forecast discussion before this flood watch went out at Jun 2, 1:47 AM EDT, 2 hours 20 minutes earlier.

Area forecast discussion, Jun 2, 1:47 AM EDT, 2 hours 20 minutes before

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The office that day

Everything else NWS Charleston, SC issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 2, 4:49 AM EDT	High Surf Advisory	CHS		22 hr
Jun 2, 5:51 AM EDT	Marine Weather Statement	CHS		35 hr
Jun 2, 4:49 AM EDT	Coastal Flood Watch	CHS		12 hr
Jun 2, 5:17 AM EDT	Lake Wind Advisory	CHS	Berkeley	40 hr
Jun 2, 6:34 PM EDT	Wind Advisory	CHS		6 hr

Nearby

Flood Watches in South Carolina, 2007 Flood Watches in Georgia, 2007 Every flood watch in 2007

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.